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Miniature fluid atomizer

A technology of fluid and atomizing nozzles, which is applied in the direction of therapeutic nebulizers, respirators, balloon catheters, etc.

Inactive Publication Date: 2013-09-04
TELEFLEX MEDICAL INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Non-disposable atomizing nozzles may be manufactured from metal in one go, or in small batches

Method used

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  • Miniature fluid atomizer
  • Miniature fluid atomizer
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Examples

Experimental program
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Embodiment Construction

[0030] Described below is an apparatus and method for administering therapeutic fluids, such as anesthesia, to assist certain medical procedures. In accordance with the principles of the present invention, uses of the device include, but are not limited to: endotracheal intubation in conscious patients; pulmonary therapy; intranasal administration; administration of sinus antibiotics; Anesthesia of the vocal cords; chromoendoscopy and administration of gastrointestinal mucosa via endoscopic catheterization; airway integrated intubation; delivery of surfactant at the distal end of the endotracheal tube for drug delivery to the lungs of neonatal patients; The administration of antibiotics or other drugs to the lungs of patients with tracheostomy through the tracheal tube; the administration of thrombin or hemostatic agents for surgical blood loss in open surgery or laparoscopic surgery; pain relief drugs in open surgery or laparoscopic surgery, Such as the administration of bupi...

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Abstract

Described is an atomizing nozzle having a relatively small frontal area permitting insertion of a nozzle into small diameter medical conduit(s). A body of a preferred nozzle has a characteristic size (e.g., cross-section diameter) of less than about 0.2 inch (0.5 cm). The nozzle body is typically carried on an extension member, which can be transversely flexible to permit passage of a nozzle body through a tube and along a nonlinear path. The nozzle body is typically connected to an extension member by way of a lap joint associated with the nozzle body. Preferred embodiments have a De / O ratio of less than 12.0, a Db / O ratio of less than about 18, and a Db / De ratio of less than about 1.1. Certain embodiments include a swirling chamber disposed upstream of the ejection orifice and having a proximal wall with a portion configured to at least approximate a portion of a dome, or other curved surface.

Description

technical field [0001] The present invention relates to atomizing nozzles and apparatus for spraying a therapeutic fluid in the form of a mist or dispersed small particles. Certain devices described herein are particularly suitable for use in devices that can be inserted through small-bore tubing for administering a nebulized fluid to a patient. Background technique [0002] The structure and principle of operation of some operable atomizing nozzles have been described in US Patent 6,698,429, issued March 2, 2004 to Perry W. Croll et al., entitled "Medical Nebulizer". This patent specification is incorporated herein by reference. The inventors' previous work on small atomizing nozzles disclosed in this patent specification is the state of the art in the field of disposable atomizing nozzle assemblies having a small cross-section so that they Can be inserted into medical tubes or holes. [0003] The assembly of a nebulizer according to the construction disclosed by Croll e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M11/02A61M11/06A61M25/10B05B1/10A61F2/958
CPCA61M11/06A61M16/04A61M16/0463A61M11/001A61M11/00
Inventor 派瑞·W·克罗尔马歇尔·T·登顿马克·A·克里斯滕森休伊·N·陈
Owner TELEFLEX MEDICAL INC
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